Looking for info: MILBURN John Oliver Canada>?>NE 1836-1889

Looking for info: MILBURN John Oliver Canada>?>NE 1836-1889

Looking for any info on my great-great uncle, John Oliver Milburn, born in New Brunswick Canada (though some records also say Maine), died supposedly in Pilger, NE September 14, 1889.His parents and some siblings went to Mystic, Appanoose County, Iowa. Cannot find John Oliver in the 1880 Census.Willing to share info on rest of family.